Document Type and Number:
Japanese Patent JPS4727824
Kind Code:
U
Application Number:
JP2862871U
Publication Date:
November 29, 1972
Filing Date:
April 14, 1971
Export Citation:
International Classes:
G11B23/07; G11B23/06; (IPC1-7): G11B23/06
Domestic Patent References:
| JPS4222053Y1 | 1967-12-16 | |||
| JP43009247A | ||||
| JP43000076A |